214799680

素因数分解:

$2^6\times 5^1\times {\mathrm{671249}}^1$

素因数の和:671266

約数の個数: 28

約数和(自身を含む): 511492500

約数和(自身を除く): 296692820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 671249, 1342498, 2684996, 3356245, 5369992, 6712490, 10739984, 13424980, 21479968, 26849960, 42959936, 53699920, 107399840, 214799680]

約数ペア:

[(1, 214799680), (2, 107399840), (4, 53699920), (5, 42959936), (8, 26849960), (10, 21479968), (16, 13424980), (20, 10739984), (32, 6712490), (40, 5369992), (64, 3356245), (80, 2684996), (160, 1342498), (320, 671249)]